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/*
 * SmartGWT (GWT for SmartClient)
 * Copyright 2008 and beyond, Isomorphic Software, Inc.
 *
 * SmartGWT is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version 3
 * as published by the Free Software Foundation.  SmartGWT is also
 * available under typical commercial license terms - see
 * http://smartclient.com/license
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 */

import com.smartgwt.client.types.Side;
import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.form.DynamicForm;
import com.smartgwt.client.widgets.form.fields.CheckboxItem;
import com.smartgwt.client.widgets.form.fields.TextItem;
import com.smartgwt.client.widgets.form.fields.events.ChangedEvent;
import com.smartgwt.client.widgets.form.fields.events.ChangedHandler;
import com.smartgwt.client.widgets.layout.VLayout;
import com.smartgwt.client.widgets.tab.Tab;
import com.smartgwt.client.widgets.tab.TabSet;

public class TabsTitleChangeSample implements EntryPoint {

    public void onModuleLoad() {

        final TabSet topTabSet = new TabSet();
        topTabSet.setTabBarPosition(Side.TOP);
        topTabSet.setTabBarAlign(Side.LEFT);
        topTabSet.setWidth(400);
        topTabSet.setHeight(200);

        final Tab preferencesTab = new Tab("Preferences");
        DynamicForm preferencesForm = new DynamicForm();
        CheckboxItem useTabsCheckbox = new CheckboxItem();
        useTabsCheckbox.setTitle("Use SmartGWT tabs");
        preferencesForm.setFields(useTabsCheckbox);
        preferencesTab.setPane(preferencesForm);

        Tab profileTab = new Tab("Profile");
        DynamicForm profileForm = new DynamicForm();
        TextItem nameTextItem = new TextItem();
        nameTextItem.setTitle("Your Name");
        nameTextItem.addChangedHandler(new ChangedHandler() {
            public void onChanged(ChangedEvent event) {
                String newTitle = (event.getValue() == null ? "" : event.getValue() + "'s ") + "Preferences";
                topTabSet.setTabTitle(preferencesTab, newTitle);
            }
        });
        profileForm.setFields(nameTextItem);
        profileTab.setPane(profileForm);

        topTabSet.addTab(profileTab);
        topTabSet.addTab(preferencesTab);

        VLayout vLayout = new VLayout();
        vLayout.setMembersMargin(15);
        vLayout.addMember(topTabSet);
        vLayout.setHeight("auto");
        
        vLayout.draw();
    }

}
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